code: def _init_layer(layer, std=np.sqrt(2), bias_const=0.0):
      torch.nn.init.orthogonal_(layer.weight, std)
      torch.nn.init.constant_(layer.bias, bias_const)
      return layer
  
file_path: PARL/benchmark/torch/ppo/mujoco_model.py
imports: import parl
  import torch
  import torch.nn
  import numpy
label_desc: Use image node_id 1 for calling a global function with example usage: _init_layer(layer, std, bias_const) and returns: layer